Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to view and delete your browser history and other history in Microsoft Edge.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.